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Positron-hydrogen scattering at low energies

Mitroy, J., Berge, L. and Stelbovics, A. (1994) Positron-hydrogen scattering at low energies. Physical Review Letters, 73 (22). pp. 2966-2969.

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Calculations of positron-hydrogen scattering using the close-coupling approach are reported for incident positron energies below the ionization threshold. The channel space includes nine physical hydrogen and positronium states and, in addition, eleven hydrogen and positronium pseudostates. The accuracy of our model has been validated by computations of elastic phase shifts below the positronium threshold, and elastic and positronium-formation cross sections in the Ore gap. Calculations are performed for sufficient partial waves to obtain converged elastic, positronium, and total cross sections.

Item Type: Journal Article
Murdoch Affiliation(s): School of Mathematical and Physical Sciences
Centre for Atomic, Molecular and Surface Physics
Publisher: American Physical Society
Copyright: © 1994 The American Physical Society.
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